Caption: "Paeonia 'Rivida', 2018 photo, (2-SL-R) lactiflora cultivar Peony, (John Harrell, 1985), USDA Hardiness Zone 4, Violet Red, single early-mid, Michigan Bloom Month 5c-6a, In Garden Bed G3.1 for 13.6 YEARS (Adel). Planted in 2004.Paeonia 'Rivida' (John Har